21591144

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{5261}}^1$

素因数の和:5295

約数の個数: 64

約数和(自身を含む): 63144000

約数和(自身を除く): 41552856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 5261, 10522, 15783, 21044, 31566, 42088, 47349, 63132, 94698, 99959, 126264, 142047, 189396, 199918, 284094, 299877, 378792, 399836, 568188, 599754, 799672, 899631, 1136376, 1199508, 1799262, 2399016, 2698893, 3598524, 5397786, 7197048, 10795572, 21591144]

約数ペア:

[(1, 21591144), (2, 10795572), (3, 7197048), (4, 5397786), (6, 3598524), (8, 2698893), (9, 2399016), (12, 1799262), (18, 1199508), (19, 1136376), (24, 899631), (27, 799672), (36, 599754), (38, 568188), (54, 399836), (57, 378792), (72, 299877), (76, 284094), (108, 199918), (114, 189396), (152, 142047), (171, 126264), (216, 99959), (228, 94698), (342, 63132), (456, 47349), (513, 42088), (684, 31566), (1026, 21044), (1368, 15783), (2052, 10522), (4104, 5261)]